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Finding the Fourth Proportional to 288,701.70, 433,117.35 and 170,312.10

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Solution

The fourth proportional to 288,701.70, 433,117.35 and 170,312.10 is: 255,506.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,701.70 : 433,117.35 = 170,312.10 : x
  2. Step 2: Convert to fraction form
    288,701.70/433,117.35 = 170,312.10/x
  3. Step 3: Cross multiply
    288,701.70x = 433,117.35 × 170,312.10
  4. Step 4: Simplify right side
    288,701.70x = 73,765,125,424.94
  5. Step 5: Solve for x
    x = 73,765,125,424.94/288,701.70
  6. Step 6: Final answer
    x = 255,506.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.